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feat: add fullPage mode to browser_take_screenshot (#704)

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Copilot
2025-07-18 13:56:43 -07:00
committed by GitHub
parent 29ac29e6bb
commit 1eee30fd45
3 changed files with 65 additions and 2 deletions
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17
src/tools/screenshot.ts
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@@ -28,11 +28,17 @@ const screenshotSchema = z.object({
filename: z.string().optional().describe('File name to save the screenshot to. Defaults to `page-{timestamp}.{png|jpeg}` if not specified.'),
element: z.string().optional().describe('Human-readable element description used to obtain permission to screenshot the element. If not provided, the screenshot will be taken of viewport. If element is provided, ref must be provided too.'),
ref: z.string().optional().describe('Exact target element reference from the page snapshot. If not provided, the screenshot will be taken of viewport. If ref is provided, element must be provided too.'),
fullPage: z.boolean().optional().describe('When true, takes a screenshot of the full scrollable page, instead of the currently visible viewport. Cannot be used with element screenshots.'),
}).refine(data => {
return !!data.element === !!data.ref;
}, {
message: 'Both element and ref must be provided or neither.',
path: ['ref', 'element']
}).refine(data => {
return !(data.fullPage && (data.element || data.ref));
}, {
message: 'fullPage cannot be used with element screenshots.',
path: ['fullPage']
});
const screenshot = defineTool({
@@ -50,11 +56,18 @@ const screenshot = defineTool({
const snapshot = tab.snapshotOrDie();
const fileType = params.raw ? 'png' : 'jpeg';
const fileName = await outputFile(context.config, params.filename ?? `page-${new Date().toISOString()}.${fileType}`);
const options: playwright.PageScreenshotOptions = { type: fileType, quality: fileType === 'png' ? undefined : 50, scale: 'css', path: fileName };
const options: playwright.PageScreenshotOptions = {
type: fileType,
quality: fileType === 'png' ? undefined : 50,
scale: 'css',
path: fileName,
...(params.fullPage !== undefined && { fullPage: params.fullPage })
};
const isElementScreenshot = params.element && params.ref;
const screenshotTarget = isElementScreenshot ? params.element : (params.fullPage ? 'full page' : 'viewport');
const code = [
`// Screenshot ${isElementScreenshot ? params.element : 'viewport'} and save it as ${fileName}`,
`// Screenshot ${screenshotTarget} and save it as ${fileName}`,
];
const locator = params.ref ? snapshot.refLocator({ element: params.element || '', ref: params.ref }) : null;